Neblux Knowledge Graph
Standard Model of Particle Physics
The Standard Model of particle physics is the theoretical framework describing the known elementary particles and three fundamental interactions: electromagnetic, weak, and strong.
Overview
Developed across the mid-to-late twentieth century, the model classifies elementary particles into fermions—quarks and leptons—and gauge bosons that mediate forces governed by gauge symmetries. Electroweak symmetry breaking through the Higgs mechanism accounts for the generation of masses for elementary particles, leading to the experimental observation of the Higgs boson at CERN in 2012.
Why it matters
While its predictions have achieved high precision in accelerator experiments, the Standard Model remains an incomplete description of fundamental physics. It excludes general relativity and gravity and leaves phenomena such as dark matter, dark energy, and matter-antimatter asymmetry unexplained.
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